﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using DemoCalculator;

namespace DemoCalculator
{
    public partial class Form1 : Form
    {
        public Form1()
        {
        InitializeComponent();
        }

        private void button20_Click(object sender, EventArgs e)
        {
            Modal model = new Modal();
            model.ShowDialog();
        }
    }
}
